Merge pull request #37 from qbit/master

Switch to using Go modules.

README.md

@@ -17,7 +17,7 @@ The filter currently supports:
 
 
 ## Dependencies
-The filter is written in Golang and doesn't have any dependencies beyond standard library.
+The filter is written in Golang and doesn't have any dependencies beyond the Go extended standard library.
 
 It requires OpenSMTPD 6.6.0 or higher.
 
@@ -32,6 +32,12 @@ opensmtpd-filter-rspamd-0.1.x: ok
 $
 ```
 
+Install using Go:
+```
+$ GO111MODULE=on go get github.com/poolpOrg/filter-rspamd
+$ doas install -m 0555 ~/go/bin/filter-rspamd /usr/local/libexec/smtpd/filter-rspamd
+```
+
 Alternatively, clone the repository, build and install the filter:
 ```
 $ cd filter-rspamd/

go.mod

@@ -0,0 +1,5 @@
+module github.com/poolpOrg/filter-rspamd
+
+go 1.15
+
+require golang.org/x/sys v0.0.0-20200821140526-fda516888d29

go.sum

@@ -0,0 +1,2 @@
+golang.org/x/sys v0.0.0-20200821140526-fda516888d29 h1:mNuhGagCf3lDDm5C0376C/sxh6V7fy9WbdEu/YDNA04=
+golang.org/x/sys v0.0.0-20200821140526-fda516888d29/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=